Complete Genome Characterization of Penicillimonavirus gammaplasmoparae , a Bipartite Member of the Family Mymonaviridae

In this study, we identified Plasmopara-viticola-lesion-associated mononegaambi virus 3 (recently classified as ), a fungi-associated mymonavirus, in grapevine plants showing an unusual upward curling symptomatology on the leaves and premature decline. is a family comprising nine genera of negative-...

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Bibliographic Details
Published in:Plants (Basel) 2023-09, Vol.12 (18), p.3300
Main Authors: Morán, Félix, Olmos, Antonio, Candresse, Thierry, Ruiz-García, Ana Belén
Format: Article
Language:English
Subjects:
Airborne microorganisms
Erysiphe necator
Fungi
Genera
Genomes
grapevine
HTS
Hypotheses
Insects
Life Sciences
mymonavirus
Nucleotide sequence
Penicillimonavirus gammaplasmoparae
Phytopathology and phytopharmacy
Powdery mildew
Proteins
RNA polymerase
RNA viruses
Vegetal Biology
Viruses
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Summary:In this study, we identified Plasmopara-viticola-lesion-associated mononegaambi virus 3 (recently classified as ), a fungi-associated mymonavirus, in grapevine plants showing an unusual upward curling symptomatology on the leaves and premature decline. is a family comprising nine genera of negative-sense single-stranded RNA viruses infecting filamentous fungi, although few of them have been associated with oomycetes, plants, and insects. Although the first mymonavirus genome description was reported a decade ago, the genome organization of several genera in the family, including the genus has remained unclear to date. We have determined the complete genome of which represents the first complete genomic sequence for this genus. Moreover, we provide strong evidence that genome is bipartite and comprises two RNA molecules of around 6150 and 4560 nt. Our results indicate that the grapevine powdery mildew pathogen, was also present in the analyzed plants and suggest could be infecting this fungus. However, whether the fungus and/or the mycovirus are associated with the symptomatology that initially prompted these efforts remains to be determined.
ISSN:2223-7747
2223-7747
DOI:10.3390/plants12183300